Home / 159,777.46-220,492.06-87,180.33

Finding the Fourth Proportional to 159,777.46, 220,492.06 and 87,180.33

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Solution

The fourth proportional to 159,777.46, 220,492.06 and 87,180.33 is: 120,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,777.46 : 220,492.06 = 87,180.33 : x
  2. Step 2: Convert to fraction form
    159,777.46/220,492.06 = 87,180.33/x
  3. Step 3: Cross multiply
    159,777.46x = 220,492.06 × 87,180.33
  4. Step 4: Simplify right side
    159,777.46x = 19,222,571,162.07
  5. Step 5: Solve for x
    x = 19,222,571,162.07/159,777.46
  6. Step 6: Final answer
    x = 120,308.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.